they told us that yesterday, they told it to us outside in the street again today. they smelled gas for days in that neighborhood before the blast. robert lyles shows us some neighbors still smell is tonight. >> reporter: ken, consider. this just over an hour ago i stood outside of a home in the crestmoor section of san bruno and it is literally blocks away from what is now being described as ground zero. i lay out the distance because i want you to know as i stood there i could still smell gas in the air and not only smell it in the air as you're about to see, pg&e crews were beneath that house looking for a gas leak and the folks who called that place home say it has been that way for weeks. flashlights and gas texting meters pg&e crews search the 2535 lexington looking for a gas leak. this would be ordinary until you consider 2535 is just three blocks from where more than 30 homes were incinerated by a pg&e ruptured gas main last night. >> it's scary because that could have been around here, you know, or it could have been right in front of my house. >> reporter: